AirHint found the following cheapest return flights from Hong Kong (HKG) to Istanbul (IST) in December 2025 (see full year).

Return flights

02 Dec - 07 Dec	Air China
04 Dec - 08 Dec	Etihad Airways
15 Dec - 18 Dec	Etihad Airways
01 Dec - 15 Dec	Etihad Airways
01 Dec - 07 Dec	Etihad Airways
29 Dec - 02 Jan	Etihad Airways
25 Dec - 04 Jan	Etihad Airways
11 Dec - 18 Dec	Etihad Airways
20 Dec - 29 Dec	Etihad Airways
20 Dec - 31 Dec	Etihad Airways
20 Dec - 02 Jan	Etihad Airways
25 Dec - 05 Jan	Etihad Airways
29 Dec - 07 Jan	Emirates
11 Dec - 22 Dec	Emirates
28 Dec - 11 Jan	Emirates
24 Dec - 28 Dec	Emirates
28 Dec - 03 Jan	Emirates
24 Dec - 03 Jan	Emirates
24 Dec - 02 Jan	Emirates
23 Dec - 01 Jan	Emirates

Also check the deals for one-way flights from Hong Kong to Istanbul in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Hong Kong to Istanbul in December from $453

Return flights